Masahiro Kobayashi boxer
- bouts
- 6
- won
- 3
- lost
- 2
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 2012-04-03
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1985-03-19
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2014-05-21 | Shoma Sekine | DDLW | Korakuen Hall | LOST Unanimous decision |
| 2014-01-10 | Shoma Koga | WWW | Korakuen Hall | WIN KO |
| 2013-07-03 | Osu Inoue | WWLWD | Korakuen Hall | LOST Split-decision |
| 2012-12-21 | Atsushi Kudo | WD | Korakuen Hall | WIN Unanimous decision |
| 2012-07-23 | Shingo Yabu | WL | Korakuen Hall | DRAW Majority decision |
| 2012-04-03 | Masaya Haruta | L | Korakuen Hall | WIN KO |